gcleaner | 225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 06:51

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General

Target

225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe
Size

285KB
MD5

a9ba74e3e542e965104c652efdf5518f
SHA1

aa2c72203bf0afd7b3adff00168553ad39290995
SHA256

225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918
SHA512

ec63eb3ea99c6b1801a868262a74354219f5862707b729d06bde06d7734eeeaf0c980bcee89498d2267d7082e6593c955d8c0a0472387ad66f96f3b3ec1b4ab3
SSDEEP

6144:Bbs/Zm+dR+u27z2ejvmej83EkVYuQTdJ2q:B4LdR+u2/EG876hdJ2q

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

80.66.75.114

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Deletes itself 1 IoCs

pid	Process
2156	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2108	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2156	1488	225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe	32
PID 1488 wrote to memory of 2156	1488	225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe	32
PID 1488 wrote to memory of 2156	1488	225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe	32
PID 1488 wrote to memory of 2156	1488	225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe	32
PID 2156 wrote to memory of 2108	2156	cmd.exe	34
PID 2156 wrote to memory of 2108	2156	cmd.exe	34
PID 2156 wrote to memory of 2108	2156	cmd.exe	34
PID 2156 wrote to memory of 2108	2156	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe
"C:\Users\Admin\AppData\Local\Temp\225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\39GEHZPO\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1488-2-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1488-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1488-3-0x0000000000400000-0x0000000002B68000-memory.dmp

Filesize
39.4MB

Download
memory/1488-8-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1488-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1488-12-0x0000000000400000-0x0000000002B68000-memory.dmp

Filesize
39.4MB

Download
memory/1488-22-0x0000000000400000-0x0000000002B68000-memory.dmp

Filesize
39.4MB

Download
memory/1488-24-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1488-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download